ISO 2830:1973

Cryolite, natural and artificial — Determination of aluminium content — Atomic absorption method

OVERVIEW

Applicable to products having a normal composition for which the molar ratio NaF/AlF3 is equal to about 3. Dissolution of a test portion in concentrated suphuric acid and elimination of hydrogen fluoride. Treatment with hydrochloric acid and water. Atomization of the solution into an acetylene measurement of the absorption of the 309.3 nm line emitted by an aluminium hollow cathode lamp. Has also been approved by the IUPAC.

COMMENTS

-

PRODUCT DETAILS

Status Current
Edition 1973
No. of Pages 3
ICS Classification 71.060.50 Salts
Committee ISO/TC 226
Available for Purchase For sale in Singapore only
Adoption ISO